Struct datafusion::execution::memory_pool::GreedyMemoryPool

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pub struct GreedyMemoryPool { /* private fields */ }

Expand description

A MemoryPool that implements a greedy first-come first-serve limit

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impl GreedyMemoryPool

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pub fn new(pool_size: usize) -> Self

Allocate up to limit bytes

Trait Implementations§

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impl Debug for GreedyMemoryPool

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl MemoryPool for GreedyMemoryPool

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fn grow(&self, _reservation: &MemoryReservation, additional: usize)

Infallibly grow the provided reservation by additional bytes Read more

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fn shrink(&self, _reservation: &MemoryReservation, shrink: usize)

Infallibly shrink the provided reservation by shrink bytes

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fn try_grow( &self, reservation: &MemoryReservation, additional: usize ) -> Result<()>

Attempt to grow the provided reservation by additional bytes Read more

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fn reserved(&self) -> usize

Return the total amount of memory reserved

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fn register(&self, _consumer: &MemoryConsumer)

Registers a new MemoryConsumer Read more

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fn unregister(&self, _consumer: &MemoryConsumer)

Records the destruction of a MemoryReservation with MemoryConsumer Read more

Auto Trait Implementations§

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impl UnwindSafe for GreedyMemoryPool

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same<T> for T

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type Output = T

Should always be Self

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impl<T, U> TryFrom for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for Twhere U: TryFrom<T>,

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type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source§

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

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Struct datafusion::execution::memory_pool::GreedyMemoryPool

Implementations§

impl GreedyMemoryPool

pub fn new(pool_size: usize) -> Self

Trait Implementations§

impl Debug for GreedyMemoryPool

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl MemoryPool for GreedyMemoryPool

fn grow(&self, _reservation: &MemoryReservation, additional: usize)

fn shrink(&self, _reservation: &MemoryReservation, shrink: usize)

fn try_grow( &self, reservation: &MemoryReservation, additional: usize ) -> Result<()>

fn reserved(&self) -> usize

fn register(&self, _consumer: &MemoryConsumer)

fn unregister(&self, _consumer: &MemoryConsumer)

Auto Trait Implementations§

impl RefUnwindSafe for GreedyMemoryPool

impl Send for GreedyMemoryPool

impl Sync for GreedyMemoryPool

impl Unpin for GreedyMemoryPool

impl UnwindSafe for GreedyMemoryPool

Blanket Implementations§

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> Same<T> for T

type Output = T

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

impl<T> Allocation for Twhere T: RefUnwindSafe + Send + Sync,